package com.csp.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {

    //3 ShiroFilterFactoryBean
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager securityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(securityManager);
        //添加过滤器
        /** 添加过滤器
         * anon 无需认证就可访问
         * authc  必须认证才能访问
         * user   必须拥有“记住我”功能才能使用（较少使用）
         * perms: 拥有对某个资源的权限才能访问
         * role:  拥有某个角色权限才能访问
         */
        Map<String, String> filterMap = new LinkedHashMap<>();

        //设置拦截
        filterMap.put("/user/add", "perms[user:add]");
        filterMap.put("/user/*", "authc");

        bean.setFilterChainDefinitionMap(filterMap);
        //设置登录页
        bean.setLoginUrl("/login");
        //未授权跳转页面
        bean.setUnauthorizedUrl("/unauth");


        return bean;
    }

    //2 DefaultWebSecurityManager
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    //1 创建Realm对象
    @Bean
    public UserRealm userRealm(){
        return new UserRealm();
    }

    //Shiro 与 thymeleaf 整合
    @Bean
    public ShiroDialect getShiroDialect(){
        return new ShiroDialect();
    }
}
